Naruto: Konoha's Kanpu - Chapter 1003: Onoki’s Commission

In the Realm of the Gods, countless legends fought over a mysterious cube. After the battle it disappeared into the void. Lin Ming stumbles upon this mystery object and begins his journey to become a hero of the land.

Lin Ming, a talented man for martial arts wanted to audition for Tian Yun Wu Fu with a girl named Lan Yunyue,
She was his childhood friend since young and they both have a small crush on each other.
But on the day of audition, Lan Yunyue did not come, which left Lin Ming in curiosity.
He later found out that a guy who is rich and talented, named Zhu Yan helped Lan Yunyue.

He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

This novel is also known as Master Fu's Mysterious Darling Wife

She is the The Young Miss of Military family Shen, her face is peerless, her temperament is cold, and she is her family’s treasure, but isn’t accepted as one’s child by her mother;

He is The Sole Heir to the top giant Fu Family, his power is unparalleled, indifferent high-born, the captain of the mysterious military force, and the youngest commander-in-chief.

Because of her grandmother’s wishes, she married him at lightning speed. She thought that it was a marriage that she needed, but she didn’t expect to be greeted with his extreme pampering.

- Description from Novelupdates

Lin Wanwan is a pitiful mentally-disabled girl. Not only does she suffer abuse from her stepmother, her stepmother even attempts to use her as a sexual commodity to pleasure others. Eventually, the poor Wanwan dies from an overdose…